testing/info.c

   1
   2 #include <stdio.h>
   3 #include <comedilib.h>
   4 #include <fcntl.h>
   5 #include <unistd.h>
   6 #include <sys/ioctl.h>
   7 #include <errno.h>
   8 #include <getopt.h>
   9 #include <ctype.h>
  10 #include <math.h>
  11 #include <sys/time.h>
  12 #include <string.h>
  13 #include "comedi_test.h"
  14
  15
  16 static char *subdevice_types[]={
  17         "unused",
  18         "analog input",
  19         "analog output",
  20         "digital input",
  21         "digital output",
  22         "digital I/O",
  23         "counter",
  24         "timer",
  25         "memory",
  26         "calibration",
  27         "processor"
  28 };
  29
  30
  31 int test_info(void)
  32 {
  33         int j;
  34         int type;
  35         int chan,n_chans;
  36         int n_ranges;
  37         comedi_range *rng;
  38
  39         printf("rev 1\n");
  40
  41         type = comedi_get_subdevice_type(device,subdevice);
  42         printf("I: subdevice type: %d (%s)\n",type,subdevice_types[type]);
  43         if(type==COMEDI_SUBD_UNUSED)
  44                 return 0;
  45         n_chans=comedi_get_n_channels(device,subdevice);
  46         printf("  number of channels: %d\n",n_chans);
  47         if(!comedi_maxdata_is_chan_specific(device,subdevice)){
  48                 printf("  max data value: %d\n",comedi_get_maxdata(device,subdevice,0));
  49         }else{
  50                 printf("  max data value: (channel specific)\n");
  51                 for(chan=0;chan<n_chans;chan++){
  52                         printf("    chan%d: %d\n",chan,
  53                                 comedi_get_maxdata(device,subdevice,chan));
  54                 }
  55         }
  56         printf("  ranges:\n");
  57         if(!comedi_range_is_chan_specific(device,subdevice)){
  58                 n_ranges=comedi_get_n_ranges(device,subdevice,0);
  59                 printf("    all chans:");
  60                 for(j=0;j<n_ranges;j++){
  61                         rng=comedi_get_range(device,subdevice,0,j);
  62                         printf(" [%g,%g]",rng->min,rng->max);
  63                 }
  64                 printf("\n");
  65         }else{
  66                 for(chan=0;chan<n_chans;chan++){
  67                         n_ranges=comedi_get_n_ranges(device,subdevice,chan);
  68                         printf("    chan%d:",chan);
  69                         for(j=0;j<n_ranges;j++){
  70                                 rng=comedi_get_range(device,subdevice,chan,j);
  71                                 printf(" [%g,%g]",rng->min,rng->max);
  72                         }
  73                         printf("\n");
  74                 }
  75         }
  76
  77         return 0;
  78 }
  79